US6907229B2 - Enhancing wireless LAN capacity using transmission power control - Google Patents
Enhancing wireless LAN capacity using transmission power control Download PDFInfo
- Publication number
- US6907229B2 US6907229B2 US10/285,869 US28586902A US6907229B2 US 6907229 B2 US6907229 B2 US 6907229B2 US 28586902 A US28586902 A US 28586902A US 6907229 B2 US6907229 B2 US 6907229B2
- Authority
- US
- United States
- Prior art keywords
- access point
- downlink signal
- downlink
- power level
- mobile station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime, expires
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device
Abstract
Description
Claims (28)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/285,869 US6907229B2 (en) | 2002-05-06 | 2002-11-01 | Enhancing wireless LAN capacity using transmission power control |
JP2004527260A JP2005535253A (en) | 2002-08-07 | 2003-07-24 | Method and apparatus for enhancing wireless LAN function using transmission output control |
KR1020057002272A KR100980307B1 (en) | 2002-08-07 | 2003-07-24 | Enhancing wireless lan capacity using transmission power control |
AU2003282884A AU2003282884A1 (en) | 2002-08-07 | 2003-07-24 | Enhancing wirelass lan capacity using transmission power control |
PCT/IL2003/000616 WO2004015886A1 (en) | 2002-08-07 | 2003-07-24 | Enhancing wirelass lan capacity using transmission power control |
EP03741040A EP1529353A4 (en) | 2002-08-07 | 2003-07-24 | Enhancing wirelass lan capacity using transmission power control |
IL16666405A IL166664A0 (en) | 2002-08-07 | 2005-02-02 | Enhancing wireless LAN capacity using transmissionpower control |
US11/112,606 US20050195786A1 (en) | 2002-08-07 | 2005-04-22 | Spatial reuse of frequency channels in a WLAN |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37765302P | 2002-05-06 | 2002-05-06 | |
US10/214,271 US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
US10/285,869 US6907229B2 (en) | 2002-05-06 | 2002-11-01 | Enhancing wireless LAN capacity using transmission power control |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/214,271 Continuation-In-Part US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/112,606 Continuation-In-Part US20050195786A1 (en) | 2002-08-07 | 2005-04-22 | Spatial reuse of frequency channels in a WLAN |
Publications (2)
Publication Number | Publication Date |
---|---|
US20030207699A1 US20030207699A1 (en) | 2003-11-06 |
US6907229B2 true US6907229B2 (en) | 2005-06-14 |
Family
ID=31720166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/285,869 Expired - Lifetime US6907229B2 (en) | 2002-05-06 | 2002-11-01 | Enhancing wireless LAN capacity using transmission power control |
Country Status (6)
Country | Link |
---|---|
US (1) | US6907229B2 (en) |
EP (1) | EP1529353A4 (en) |
JP (1) | JP2005535253A (en) |
KR (1) | KR100980307B1 (en) |
AU (1) | AU2003282884A1 (en) |
WO (1) | WO2004015886A1 (en) |
Cited By (33)
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US20030206531A1 (en) * | 2002-05-06 | 2003-11-06 | Extricom Ltd. | CDMA messaging between wireless LAN access points |
US20040023674A1 (en) * | 2002-07-30 | 2004-02-05 | Miller Karl A. | System and method for classifying signals using timing templates, power templates and other techniques |
US20040114535A1 (en) * | 2002-09-30 | 2004-06-17 | Tantivy Communications, Inc. | Method and apparatus for antenna steering for WLAN |
US20040156399A1 (en) * | 2002-08-07 | 2004-08-12 | Extricom Ltd. | Wireless LAN control over a wired network |
US20040166889A1 (en) * | 2003-02-24 | 2004-08-26 | Floyd Backes | Apparatus for adjusting channel interference between devices in a wireless network |
US20050227630A1 (en) * | 2004-04-08 | 2005-10-13 | Jaleh Komaili | System for synchronizing a portable transceiver to a network |
US20060045018A1 (en) * | 2004-08-25 | 2006-03-02 | Ahmad Masri | Device, system and method for varying scanning time on a channel |
US20060194616A1 (en) * | 2005-02-28 | 2006-08-31 | Willins Bruce A | Sectorized wireless communication network operating under 802.11 specifications |
US20060209771A1 (en) * | 2005-03-03 | 2006-09-21 | Extricom Ltd. | Wireless LAN with contention avoidance |
US20060246841A1 (en) * | 2005-04-29 | 2006-11-02 | Dennis Gary J | Method and apparatus for reducing interference associated with wireless communication |
US20070037595A1 (en) * | 2005-08-11 | 2007-02-15 | Extricom Ltd. | Wlan operating on multiple adjacent bands |
US20070042716A1 (en) * | 2005-08-19 | 2007-02-22 | Goodall David S | Automatic radio site survey using a robot |
US20070060057A1 (en) * | 2005-08-22 | 2007-03-15 | Ryoko Matsuo | Access point interference control and selection methods |
US20070060185A1 (en) * | 2003-09-25 | 2007-03-15 | Gwendal Simon | Method for adjusting a transmitting power in a wireless communications network |
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US20080008147A1 (en) * | 2006-07-07 | 2008-01-10 | Nec Corporation | Wireless station, wireless communication system, wireless communication control method, and computer-readable medium |
US7319688B2 (en) | 2002-05-06 | 2008-01-15 | Extricom Ltd. | LAN with message interleaving |
US20080240008A1 (en) * | 2003-02-24 | 2008-10-02 | Floyd Backes | Wireless Network Apparatus and System Field of the Invention |
US7797016B2 (en) | 2002-08-07 | 2010-09-14 | Extricom Ltd. | Wireless LAN with central management of access points |
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US7944868B2 (en) | 2006-12-04 | 2011-05-17 | Nec Laboratories America, Inc. | Method and system for dynamic power management in wireless local area networks |
US20120009962A1 (en) * | 2008-12-22 | 2012-01-12 | Nec Corporation | Communication system, user equipment, base station, transmit power deciding method, and program |
US8300594B1 (en) * | 2005-10-20 | 2012-10-30 | Avaya Inc. | Method and apparatus supporting out of band signaling for WLAN using network name |
US8411616B2 (en) | 2005-11-03 | 2013-04-02 | Piccata Fund Limited Liability Company | Pre-scan for wireless channel selection |
US20130111235A1 (en) * | 2011-05-27 | 2013-05-02 | Huawei Technologies Co., Ltd. | Power control method, apparatus and system |
US8488478B1 (en) | 2007-08-17 | 2013-07-16 | Steven P. Leytus | Method and device for estimating RF interference in Wi-Fi communication by measuring time delays in RF transmission |
US8588844B2 (en) | 2010-11-04 | 2013-11-19 | Extricom Ltd. | MIMO search over multiple access points |
US8983548B2 (en) | 2013-02-13 | 2015-03-17 | Magnolia Broadband Inc. | Multi-beam co-channel Wi-Fi access point |
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US20180103438A1 (en) * | 2016-10-12 | 2018-04-12 | Qualcomm Incorporated | Signaling of transmit power related information |
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US20050195786A1 (en) * | 2002-08-07 | 2005-09-08 | Extricom Ltd. | Spatial reuse of frequency channels in a WLAN |
US7606573B1 (en) * | 2002-09-27 | 2009-10-20 | Autocell Laboratories, Inc. | Wireless switched network |
JP3632025B2 (en) * | 2003-02-26 | 2005-03-23 | Tdk株式会社 | Thin film magnetic head, head gimbal assembly, and hard disk drive |
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US7366169B1 (en) | 2004-02-18 | 2008-04-29 | Autocell Laboratories, Inc. | Apparatus for scanning radio frequency channels |
DE102004007975B3 (en) * | 2004-02-18 | 2005-07-07 | Siemens Ag | Communication method for radio communications system with increase in transmission power of first radio access point until reception of information from radio station in region covered by second radio access point |
KR101122359B1 (en) | 2004-05-07 | 2012-03-23 | 인터디지탈 테크날러지 코포레이션 | Supporting emergency calls on a wireless local area network |
US8682279B2 (en) | 2004-05-07 | 2014-03-25 | Interdigital Technology Corporation | Supporting emergency calls on a wireless local area network |
US8145182B2 (en) * | 2004-05-07 | 2012-03-27 | Interdigital Technology Corporation | Supporting emergency calls on a wireless local area network |
JP4489498B2 (en) * | 2004-05-24 | 2010-06-23 | 三菱電機株式会社 | Wireless base station |
JP4510075B2 (en) | 2005-02-14 | 2010-07-21 | 三菱電機株式会社 | Frequency sharing method and transmitting station |
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JP4741975B2 (en) * | 2005-05-18 | 2011-08-10 | 三星電子株式会社 | How to send and receive data to wired and wireless networks using a relay portal |
KR100736034B1 (en) | 2005-05-18 | 2007-07-06 | 삼성전자주식회사 | Method for transmitting and receiving data with wired network and wireless network using relay portal |
KR100663509B1 (en) * | 2005-05-31 | 2007-01-02 | 삼성전자주식회사 | Wireless communication system and method for preventing mutual interference between wireless communication channels |
US7519013B2 (en) * | 2005-06-30 | 2009-04-14 | Nokia Corporation | Spatial reuse in a wireless communications network |
KR20070027053A (en) * | 2005-08-29 | 2007-03-09 | 연세대학교 산학협력단 | Method of allocating multi-channel in ieee 802.11 network for improving performance of relay multi-cast |
JP4836529B2 (en) * | 2005-09-13 | 2011-12-14 | 株式会社日立製作所 | Access point and communication system |
US9142873B1 (en) | 2005-12-05 | 2015-09-22 | Meru Networks | Wireless communication antennae for concurrent communication in an access point |
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- 2002-11-01 US US10/285,869 patent/US6907229B2/en not_active Expired - Lifetime
-
2003
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- 2003-07-24 JP JP2004527260A patent/JP2005535253A/en active Pending
- 2003-07-24 AU AU2003282884A patent/AU2003282884A1/en not_active Abandoned
- 2003-07-24 KR KR1020057002272A patent/KR100980307B1/en active IP Right Grant
- 2003-07-24 EP EP03741040A patent/EP1529353A4/en not_active Withdrawn
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Cited By (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7355994B2 (en) * | 2002-05-06 | 2008-04-08 | Extricom Ltd. | CDMA messaging between wireless LAN access points |
US7319688B2 (en) | 2002-05-06 | 2008-01-15 | Extricom Ltd. | LAN with message interleaving |
US20030206531A1 (en) * | 2002-05-06 | 2003-11-06 | Extricom Ltd. | CDMA messaging between wireless LAN access points |
US7171161B2 (en) * | 2002-07-30 | 2007-01-30 | Cognio, Inc. | System and method for classifying signals using timing templates, power templates and other techniques |
US20040023674A1 (en) * | 2002-07-30 | 2004-02-05 | Miller Karl A. | System and method for classifying signals using timing templates, power templates and other techniques |
US20040156399A1 (en) * | 2002-08-07 | 2004-08-12 | Extricom Ltd. | Wireless LAN control over a wired network |
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US20030207699A1 (en) | 2003-11-06 |
AU2003282884A1 (en) | 2004-02-25 |
KR100980307B1 (en) | 2010-09-06 |
EP1529353A4 (en) | 2007-10-03 |
JP2005535253A (en) | 2005-11-17 |
WO2004015886A1 (en) | 2004-02-19 |
EP1529353A1 (en) | 2005-05-11 |
KR20050091694A (en) | 2005-09-15 |
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